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01-15-2010 02:09 AM
01-15-2010 02:09 AM
4200G link with 4500
I have connected 4200G with 4500 via TWO copper cables RJ45.
In the 4200G cables are in ports 5 and 6, and in the 4500 cables linked to 49 and 50 SFP ports.
So I have two links: 4200G: Port 5 - 4500: Port 49 and 4200G: Port 6 - 4500: Port 50.
I didn't any adjustment such as aggregation or trunk.
So 3Com Network Supervisor showing to me "Miltiple Links" between switches and both links are up.
Q: what speed I have between my switches and how it working in my configuration?
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01-15-2010 07:18 AM
01-15-2010 07:18 AM
Re: 4200G link with 4500
Hi. The Network Supervisor is showing multiple links because actually you have two links connecting both switches. What you need to do is:
Step 1: enable the link-aggregation on both switches (the script below will run in the 4200G and in the 4500)
link-aggregation group 1 mode static
link-aggregation group 1description ENTER_YOUR_DESCRIPTION
interface ethernet 1/0/N ====> Where "N" is the interface you need to enable as link-aggregation
port link-aggregation group 1
To display the link-aggregation status:
display link-aggregation verbose
At this time you will have 2Gb of throughput in this connection.
Step 2: configuring the ports as trunk ports (using just the VLAN 1 on both switches)
interface ethernet 1/0/N port link-type trunk
port trunk permit vlan
That's it. Hope it helps.
This message was edited by Fred_Mancen on 1-15-10 @ 7:19 AM
Fred Mancen
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01-17-2010 10:34 PM
01-17-2010 10:34 PM
Re: 4200G link with 4500
Thanks for answer. And I am interested: what speed are now between my switches in configuration without aggregation or trunks?